242200444240 has 40 divisors (see below), whose sum is σ = 563142528000. Its totient is φ = 96875619456.

The previous prime is 242200444229. The next prime is 242200444247. The reversal of 242200444240 is 42444002242.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×242200444240² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242200444199 and 242200444208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242200444247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021697 + ... + 2138143.

It is an arithmetic number, because the mean of its divisors is an integer number (14078563200).

Almost surely, 2^242200444240 is an apocalyptic number.

242200444240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242200444240 is an abundant number, since it is smaller than the sum of its proper divisors (320942083760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242200444240 is a wasteful number, since it uses less digits than its factorization.

242200444240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142459 (or 142453 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 242200444240 its reverse (42444002242), we get a palindrome (284644446482).

The spelling of 242200444240 in words is "two hundred forty-two billion, two hundred million, four hundred forty-four thousand, two hundred forty".